Pump-rod-handling device



Nov. 17, 1925. I1,562,148

F. w. CARLSON PUMP ROD HANDLING DEVICE 0 g/Jaal Filed Dec. 2 1924 WCARLSON, @MMM wwwa:

Patented Nov. 17, 1925.

UNITED STATES PATENT' OFFICE."`

FRANK WILLIAM CARLSON, or oILrInLns, CALIFORNIA, AssIGNoR or ONE-FOURTHTo JOHN NnLsoNL sCAnLnr'r AND oNn-IoUn'rIIro LELAND EnAsTIs AX'rnLL,-

BOTH 0F OILFIELDS, CALIFORNIA.

PUMP-Ron-HANDLING DEVICE.

Application led December 2, 1924, Serial No. 753,532. Renewed October13, 1925. v

To all whom t 'may concern Be it known that I, FRANK WILLIAM CARL- soN,a citizen of the United States, residing at Oilelds, in the county ofFresno and State of California, have invented certain new and usefulImprovements in a Pump- Rod-Handling Device, of which the following Visa'specilication, reference being had therein to the accompanyingdrawings.

This invention relates to a pump rod handling device. It was formerlythe practice in removing pump rods from deep wells to hoist the rods outin stands, each stand consisting ,of two or three lengths of pump 7 rodand to lay the stands out upon the ground. A more modern method and theone now commonly employed is to hang these rod stands from rod hangers,which are in turn supported by the usual derricks of the wells.

It is a primary object of the present invention to provide an improveddevice by means of which one man can hold the stand of rods during thedisengagement of the elevator therefrom and during the time that thestand is being unscrewed from the rods therebelow, and transfer saidrods to the hangers by which they are supported from the derrick.

Further objects and advantages of the invention will be set forth in thedetailed description which follows:

In the accompanying drawings:

Figure 1 is a side elevation of the rod handling device constructed inaccordance with the invention. j j

Figure 2 is a plan view of the forward end thereof.

Figure 3 is an elevation of one of the rods showing one of the rodelevators attached thereto, and

Figure Liis a detailed viewof a modified form of rod hereinafterdescribed.

Like numeralsr designates corresponding' parts in all of the figures ofthe drawing:

The particular embodiment of the invention which I have chosen forpurposes of illustration comprises an elongated tubular handle 5, theouter end of which receives the shank 6, of a head 7. By referring toFigure 2 it will be` seen that this head is in the form of a forkincluding the jaws 8. and 9. This fork is recessed as indicated at 10 toforma seat for the' usual flange 11, of a pump rod section` 12. Thesepump rod sections are provided with threaded portions 13, which screwintothe lower ends of the superimposed sections. -Flanges or collars 14are formed at the base of the threaded' portions 13 and serve a purposewhich will be resently described. Upwardly projecting s oulr ders 15 areformed at the outer ends of the jaws 8 and 9 and the seat 10 iscontinuedl into and along the inner faces of thesie` shoulders in anarcuate path, as indicated at 16. This construction insures thatthe-pump rod cannot, by any means, slipy out of lengagement with thesuspension device but that upon the contrary the derrick man couldVrelease his hold entirely upon the lever 5 without having the standoffrods slip out of engag'ementwith the head'7. In that case, theshoulder 11 would merely ride around to the portion 16 lof the seat 10,'the tipping action of the suspension device being stopped byk engagementof the cable clamp '17 with pulley 18, before the head 7 and lever 5 hadreached such an angle as copermit disengagement of the rod therefrom,the pulley 18 is suspended by means of a soft wire cable 19 from thecrown of the derrick, not shown. A soft'cable 20 passes over the pulley18 and is engagedwith the eye bolts 21 and 22 which in turn pass throughthe handle .5. ',The eye' bolt 21, `in

addition, passes through the shank 6 Vof head 7 and secures the head inplace. The cable clamps 17 and 18 serve to `secure the cable 20 to theeyebolts 21 and 22. Thus rods weighing 60 pounds and three rods weighingpounds.

The operation of the device is as follows: A pump rod elevator 24 of ausual and known construction is hooked into engagement, at 25, beneaththe shoulder or collar 11, of the uppermost one of a stand of pump rods,said lelevator being then drawn upwardly by the operation of thepullingline 26 in a usual and known way until the lowermost pump rod of thatparticular stand is entirely clear of the well tubing or stand pipe. Atthis timetheuppermost end of the pump rods extends above a tubing boardofY the derrick, (not shown) upon which the. derrick `man stands andinto proximity tol the suspension deviceY of thepresent yinvention. The-stand'of -rods is then brought toy a step. and another lelevatorcorresponding to elevator 24 is. engaged beneath the shouldercorresponding to theishoulderll of the uppermost pump rodv of thesucceed-- ing stand of `pump rfods, the upper end of which is 'atthistime justabove the upper end of the well tubing. VThe line 26 isthen slackened, the rodsfat this time being supported by the lowertubing elevator. kThe sla'ckening of the line 26 permits the elevator 24-tof moveldownwardly `along rod l2 and .thederri'ckman-grasping theupper end ofthe rod 12 with Vhis right handand the handle 15- withl his.left hand thrusts the device ofthe presentv invention forward to causeits fhookedend to engage/beneath the shoulder 1v1 of rod 12;/ he thenbears down on the handle ltakingthe weight of the stand of rods, unhooksthe elevator 24 and permits said lelevator *to return to the ground.

During .the time that the; elevator .is descending; the men 'belowunsc'rew the rod stand from the rods sti-ll inthe well. The sta-nd yofv'rods is free to turn on the curved or roundedy seat 10. yWhen thestand has been unscrewed the der'rick man further depresses the leverr5` and takes the whole weight of the stand on the handling device. Byproperly manipulating the handle 5, i. e. tilting itupon the Vpivotprovide by pulley 18 and bodily swinging it upon cable `19 he is enabledto move the rod vstand to the 'usual rode hangers suspended close byfrom the derrick andu to suspend the stand from one of said rod hangers,it being Vunderstood that said hangers which are ofV conventional formv'are .adapted to engage beneath `the shoulder ll or 14, and some of themare adapted `to engage the rods 12. After the stand has been hung lonahanger, the han-v drlingf device is .disengaged there-from and swungback to "its former 4posi-tion -in' readiness for the" reception of thenext stand of rods which is, by this "time, coming up.

I contemplate including a spring -80fin the connection between the cable19 and pulley tance before the fork of the suspension device is applied,(this beingnecessary because the forked lever engages the shoulderformerly engaged by the elevator) there is a short time, during whichthe stan-dof rods is supported vupon .the lowerelevat-or at the t'op ofthe well tubing. In other 'words Ythe rods are standinglupon this. lowerelevator and their upper ends tend tosag over and. f

the whole stand tends to bend through the distance between the top ofthe stand. pipe and the top ofthe rods. By. providingl the collarillustrated in Figure l' the handling device can be applied to thiscollar vand the derrick man take the weight of the. stand before thetension istaken off` of the upper elevator. It makes no difference froma patentable standpoint how this bushing is applied to the rod. It maybe pinned on, welded on or may be made an integral part of the rod, inthe course'of manufacture of the same. Y

It is to be understood that the invention is not limited to the preciseconstruction set for-th but that itl includes within itspurview-whatever ychanges fairly come within eitherl the` terms or thespirit of the' appended claims. v

"Having described claim is: Y l A l. A device ofV the characterdescribed comprising a manually operable lever having a part a-dapted.to engage a shoulder of a stand of rodsand a bodily movable pivot pointfor said lever, said pivotjpoint being located closer to .the-rodengaging ends of the. levier thanthe other end thereof and a means forsuspending lsaid pivot to' adapt it to swing freely in all directions.

2. A device of the character described comprising an elongated lever,vhaving a forked end adapted to engage a standy of rods, a 'suspensioncable, a pulley supported by said suspension cable, a cablepassing oversaid, pulley and :having the opposite ends engaged with .said lever insuch manner :as to suspend the-lever ina substantially horizontal planefrom said pulley andat two points in its length.

3. A-device of the cha-racter'described comprising an elongated lever,having afforked headl adapted -to engage a stand of ,pump rods, apulley7 .means for suspending vsaid pulley and a short section of cablehaving .my invention, what I soy its ends attached to the lever andhaving its standing shoulders at the outer ends of the bight portionpassed over said pulley. forked head into and along which said ar- 4. Ina device of the character described, cuate seat extends. l0 thecombination With an elongated lever, of In testimony whereof I hereuntoaiix my 5 a swinging pivot for said lever, said lever signature.- havinga forked head and said forked head FRANK WILLIAM CARLSON.

having an arcuate Seat formed therein, up-

